改为绝对定位

src/pages/main.vue

 <template>
     <view id = 'page'>
-        <view id = 'head' class = 'click'>
+        <view id = 'really' class = 'click head'>
             <view>
                 <button class = 'button' @click = 'page.show.drawer()'>
                     <uni-icons :type = "page.menu ? page.drawer ? 'left' : 'search' : page.drawer ? 'left' : 'info'"></uni-icons>
@@ -22,6 +22,7 @@
                 </uni-list-chat>
             </uni-list>
         </view>
+        <view class = 'click head'><uni-list><uni-list-chat></uni-list-chat></uni-list></view>
         <Pics></Pics>
         <transition name = 'move_right'>
             <uni-card

src/style/page.scss

 #page {
-    #head {
-        box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
+    .head {
         display: grid;
         grid-template-columns: repeat(5, 1fr);
         grid-template-rows: 1fr;
         align-items: center;
-        position: relative;
         :deep(.uni-list) {
             :hover {
                 cursor: pointer;
@@ -15,6 +13,13 @@
             width: 30%;
         }
     }
+    #really {
+        box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
+        background-color: white;
+        position: fixed;
+        width: 100%;
+        z-index: 1;
+    }
     #body {
         width: var(--size);
         margin: 0 auto;
@@ -27,9 +32,10 @@
         }
     }
     :deep(#user) {
-        position: absolute;
+        position: fixed;
+        top : 70px;
         right: 2%;
-        z-index: 1;
+        z-index: 2;
         max-width: var(--size);
         width: 20%;
         .user {
@@ -40,8 +46,9 @@
         }
     }
     :deep(#drawer) {
-        position: absolute;
-        z-index: 1;
+        position: fixed;
+        top : 70px;
+        z-index: 2;
         width: var(--size);
         height: 80%;
         overflow-y: auto;
@@ -83,8 +90,9 @@
     }
 
     .Pics {
-        position: absolute;
-        z-index: 1;
+        position: fixed;
+        top : 70px;
+        z-index: 2;
         right: 2%;
         width: 50%;
         :deep(.uni-card) {